For example:

└─╼ journalctl -b
No journal files were found.
-- No entries --

└─╼ journalctl --verify
No journal files were found.

/var/log is full of files though, and this was working before. Seems like an Arch Linux update may have caused this.

Any idea what the problem may be? What more info can I provide?

  • 1
    journalctl -k shows dmesg (kernel messages), you can get the same output by simple running the command "dmesg". To check if journalctl is working for non-kernel messages just type journalctl -b, if that doesn't give any logs then paste the output of systemctl status systemd-journald* Jun 7 '16 at 21:54
  • 1
    art thou root?? Jun 8 '16 at 17:55
  • @HeshamAhmed Updated my output to show output from -b and --verify options.
    – trusktr
    Jun 8 '16 at 17:57
  • @PeterTurner Yeah, I'm root.
    – trusktr
    Jun 8 '16 at 17:57
  • 1
    You could also get this error message, if you query logs for a specific service, and just made a typo in the service name, as I just did.
    – bvdb
    Apr 19 '19 at 16:21
  1. sudo -i if not already.
  2. Try running journalctl -b to see messages from the current boot.
  3. If you still get -- No entries --, run journalctl --verify.
  4. If you get No journal files were found, something is corrupted with the journal service itself. Run systemctl status systemd-journald*
  5. If the services are all "green" (active/running), something is borked with the log files in /var/log/journal/<hash>. Try running the following to recreate them:

systemctl restart systemd-journald.service

The previous command will restart journald with a new hash under /var/log/journal. Now if you run journalctl -b you should see messages about the service itself starting.

Unfortunately the files under /var/log/journal are not parseable so figuring out the initial problem may be difficult, but at least logs going forward will work again.

  • 2
    after systemctl restart systemd-journald.service everything worked fine! Apr 27 '21 at 14:41

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